<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" v-model="isAll" />
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      v-model.trim="task"
      @keydown.enter="addTask"
    />
  </header>
</template>

<script>
export default {
  props: { list: { type: Array, required: true } },
  data() {
    return { task: '' }
  },
  methods: {
    addTask() {
      this.$emit('addTask', this.task)
      this.task = ''
    },
  },
  computed: {
    isAll: {
      get() {
        return this.list.every((item) => item.isDone)
      },
      set(v) {
        this.$emit('quanxuan', v)
      },
    },
  },
}
</script>
